50767993 has 6 divisors (see below), whose sum is σ = 51977994. Its totient is φ = 49585536.

The previous prime is 50767973. The next prime is 50767999. The reversal of 50767993 is 39976705.

It can be written as a sum of positive squares in only one way, i.e., 30769209 + 19998784 = 5547^2 + 4472^2 .

It is not a de Polignac number, because 50767993 - 2⁵ = 50767961 is a prime.

It is a super-2 number, since 2×50767993² = 5154778226496098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50767999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11880 + ... + 15577.

It is an arithmetic number, because the mean of its divisors is an integer number (8662999).

Almost surely, 2^50767993 is an apocalyptic number.

It is an amenable number.

50767993 is a deficient number, since it is larger than the sum of its proper divisors (1210001).

50767993 is an equidigital number, since it uses as much as digits as its factorization.

50767993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27543 (or 27500 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 50767993 is about 7125.1661735008. The cubic root of 50767993 is about 370.2797810814.

The spelling of 50767993 in words is "fifty million, seven hundred sixty-seven thousand, nine hundred ninety-three".